Bi-metallic containment ring

Abstract

Apparatuses are provided for a containment ring. The containment ring includes a first portion having a first ring composed of a first material with a first ductility. The containment ring also includes a second portion coupled to the first ring. The second portion is composed of a second material having a second ductility that is less than the first ductility and the first ductility is greater than about forty percent elongation.

What is claimed is: 
     
       1. A containment ring, comprising:
 a first portion including a first ring composed of a first material having a first ductility, the first ring having an annular body and a retaining flange that extends radially inward from the annular body; and 
 a second portion coupled to the first ring, the second portion composed of a second material having a second ductility that is less than the first ductility and the first ductility is greater than about forty percent elongation, the second portion comprises a second ring, the second ring has a second annular body and a second retaining flange, the second annular body having a first side opposite a second side, the first side coupled to the second retaining flange and the second side coupled to the retaining flange, and the second retaining flange extends radially inward from the second annular body. 
 
     
     
       2. The containment ring of  claim 1 , wherein the second ring is positioned concentrically within the first ring. 
     
     
       3. The containment ring of  claim 2 , wherein the first ring and the second ring have an L-shaped cross-section. 
     
     
       4. The containment ring of  claim 1 , wherein the first material is selected from the group comprising Inconel alloy 625 and CRES 347 stainless steel. 
     
     
       5. The containment ring of  claim 1 , wherein the second material is selected from the group comprising Inconel alloy 718 and Steel 17-4 PH. 
     
     
       6. A containment ring, comprising:
 a first ring composed of a first material having a first ductility and a first strength, the first ring having an annular body and a retaining flange that extends radially inward from the annular body; and 
 a second ring coupled to the first ring, the second ring composed of a second material having a second ductility that is different than the first ductility and a second strength that is different than the first strength, the second ring has a second annular body and a second retaining flange, the second annular body having a first side opposite a second side, the first side coupled to the second retaining flange and the second side coupled to the retaining flange, and the second retaining flange extends radially inward from the second annular body, 
 wherein the first ductility is greater than about forty percent elongation and the first strength is less than about 100 kilopound per square inch. 
 
     
     
       7. The containment ring of  claim 6 , wherein the second ring is positioned concentrically within the first ring. 
     
     
       8. The containment ring of  claim 6 , wherein the first ring and the second ring have an L-shaped cross-section. 
     
     
       9. The containment ring of  claim 6 , wherein the first material is selected from the group comprising Inconel alloy 625 and CRES 347 stainless steel. 
     
     
       10. The containment ring of  claim 6 , wherein the second material is selected from the group comprising Inconel alloy 718 and Steel 17-4 PH. 
     
     
       11. A containment ring, comprising:
 a first ring composed of a first metal having a first ductility, the first ring having a first surface opposite a second surface, a first outer diameter and defining a first bore with a first inner diameter; 
 a second ring coupled to the first surface of the first ring, the second ring composed of a second metal having a second ductility that is different than the first ductility and the first ductility is greater than about forty percent elongation, the second ring having a second outer diameter and defining a second bore with a second inner diameter that is less than the first inner diameter, the first outer diameter is substantially equal to the second outer diameter; and 
 a third ring coupled to the second surface of the first ring, the third ring composed of the second metal and defining a third bore with a third inner diameter, the third inner diameter substantially equal to the second inner diameter. 
 
     
     
       12. The containment ring of  claim 11 , wherein the first surface and the second surface of the first ring each include a counterbore, with the second ring received in the counterbore of the first surface and the third ring received in the counterbore of the second surface. 
     
     
       13. The containment ring of  claim 11 , wherein the first metal is selected from the group comprising Inconel alloy 625 and CRES 347 stainless steel. 
     
     
       14. The containment ring of  claim 11 , wherein the second metal is selected from the group comprising Inconel alloy 718 and Steel 17-4 PH.